A Geometric Algebra Approach to 3D-Reconstruction from Vanishing Points
 @TechReport{perwassTR364,
        author = {C. Perwass and J. Lasenby},
        title = {A Geometric Algebra Approach to 3D-Reconstruction from Vanishing Points},
    institution = {Cambridge University, 
       Engineering Department},
        type = {Technical Report},
        number = {Number CUED/F - INFENG/TR. 364},
    month =      {February},
        year = 2000
}